My pfp is hawt as heck

What is the measure of ac? 5 units 13 units 26 units 39 units

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet